[PATCH 1/2] ARM/MXS/i.MX28: recognize watchdog reset

Sascha Hauer sha at pengutronix.de
Mon Mar 30 10:24:24 PDT 2015


On Fri, Mar 27, 2015 at 08:23:11PM +0100, Marc Kleine-Budde wrote:
> From: Steffen Trumtrar <s.trumtrar at pengutronix.de>
> 
> When a watchdog timeout is set in the linux kernel, the FORCE_UPDATE bit is set.
> Use this to recognize a system reset that was triggered by the watchdog.
> Since only the wdt part of the kernel driver sets this bit, this is a safe
> distinguishing feature.
> 
> Signed-off-by: Steffen Trumtrar <s.trumtrar at pengutronix.de>
> Signed-off-by: Marc Kleine-Budde <mkl at pengutronix.de>
> ---
>  drivers/watchdog/im28wd.c | 7 +++++++
>  1 file changed, 7 insertions(+)

Applied, thanks

Sascha


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